Systems and methods of overvoltage and undervoltage detection

Details Systems and methods of overvoltage and undervoltage detection Systems and methods of overvoltage and undervoltage detection

2011-08-16

2011-08-16

Nguyen, Vincent Q (Department: 2858)

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

For fault location

C324S500000

Reexamination Certificate

active

07999558

ABSTRACT:
Systems and methods for overvoltage and undervoltage detection may be implemented with a fully differential circuit that includes a coarse comparator and a band gap based fine comparator. The coarse comparator may determine if the battery is closer to an OV condition or an UV condition. Based on the output of the coarse comparator, the trip point of the fine comparator is adjusted. The outputs of both comparators are pull-up circuits whose output is decoded to determine if an OV or a UV condition has occurred. The systems and methods accomplish valid circuit outputs even when the voltage across the battery reduces to zero volts. This may be achieved by using an active low signal for the UV condition and an active high signal for the OV condition. Thus, when the battery voltage goes to zero, the circuit evaluates to the correct output.

REFERENCES:
patent: 2008/0042632 (2008-02-01), Chapuis et al.

Affiliated with

Also associated with

Rating

Systems and methods of overvoltage and undervoltage detection does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Systems and methods of overvoltage and undervoltage detection, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Systems and methods of overvoltage and undervoltage detection will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2716355